sem
Semantic layer on top of Git that diffs, blames and traces impact by function and class instead of by line, with an MCP server for coding agents.
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About sem
sem is listed in our coding category and is aimed at builders. Semantic layer on top of Git that diffs, blames and traces impact by function and class instead of by line, with an MCP server for coding agents. Pricing, as the maker states it: Open source. Maturity: Active. We last checked the official link on 2026-10-19.
sem at a glance
- Category: Coding
- Built for: Developers and teams building with AI agents
- Pricing: Open source (as the maker states it)
- GitHub: Ataraxy-Labs/sem · 3,416 stars (as of Oct 21, 2026)
- Latest release: v0.28.1, Oct 19, 2026
- Last commit: Oct 19, 2026
- Official site: ataraxy-labs.github.io/sem
- Listed on AgentScout: Oct 19, 2026
sem FAQ
What is sem?
Semantic layer on top of Git that diffs, blames and traces impact by function and class instead of by line, with an MCP server for coding agents.
How much does sem cost?
sem's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Where can I find sem's source code?
On GitHub at Ataraxy-Labs/sem, which had 3,416 stars as of Oct 21, 2026. The latest release is v0.28.1 (Oct 19, 2026).
What are alternatives to sem?
Similar tools include OpenHands, Claude Context, MobileBuildMCP, Open Code Review, Coddo and Cypress Cloud MCP.
Facts from our link-checked listing, the GitHub repository and the official site. See something wrong? Suggest an edit.
sem ratings and reviews
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sem alternatives
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MobileBuildMCP
Sentry's MCP server and CLI that gives coding agents build, test and run tools for iOS and macOS projects.
Open Code Review
Alibaba's AI code review CLI that combines deterministic pipelines with an LLM agent to post line-level comments on Git diffs, using OpenAI or Anthropic models.
Coddo
Desktop app that puts a visual interface and voice input on top of terminal coding agents.
Cypress Cloud MCP
Cypress's MCP server that brings Cypress Cloud test results and accessibility reports into AI coding workflows.
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